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xfrm: Fix skb double-free in xfrm_dev_direct_output()

Type: advisorySource: Official CVE List1 source record

In the Linux kernel, the following vulnerability has been resolved: xfrm: Fix skb double-free in xfrm_dev_direct_output() A return value other than 1 from local_out() means that the skb has been consumed or its ownership was transferred. xfrm_dev_direct_output() nevertheless frees the skb on this path, causing a double-free when netfilter drops the packet and invalidating any other owner. Return the local_out() result directly, matching the ownership handling in xfrm_output_resume().

Announced Group revision 1
Original source ↗

CVE-2026-92489

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-92489

Linux

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Linux

Source reference: /containers/cna/affected/1/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "bfb9b9404a53a72524ce695551755117e9d3deb0",
        "lessThan": "621871b696b108026bf4b44ed4085ffa2102f417",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "a0395e96831adee8ffa016bf958e4dce9ece656e",
        "lessThan": "bc9297796bfdcc8d9609236e54519a4f38737aac",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "5eddd76ec2fd1988f0a3450fde9730b10dd22992",
        "lessThan": "02deb637e965950148752a304dd1471212dd6470",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "5eddd76ec2fd1988f0a3450fde9730b10dd22992",
        "lessThan": "56a347950e661c1a7f8f31c43a2ea53c2323b6f4",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "5eddd76ec2fd1988f0a3450fde9730b10dd22992",
        "lessThan": "2aed51fc58d9ce450e2c116efb956160fd06fa02",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "d1d673a5bede3767252cff19c0ab1e5387c6f43f",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "6.6.85",
        "lessThan": "6.6.157",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "6.12.21",
        "lessThan": "6.12.110",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "6.13.9",
        "lessThan": "6.14",
        "versionType": "semver"
      }
    ],
    "programFiles": [
      "net/xfrm/xfrm_output.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "6.14"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "6.14",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "6.6.157",
        "versionType": "semver",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.12.110",
        "versionType": "semver",
        "lessThanOrEqual": "6.12.*"
      },
      {
        "status": "unaffected",
        "version": "6.18.52",
        "versionType": "semver",
        "lessThanOrEqual": "6.18.*"
      },
      {
        "status": "unaffected",
        "version": "7.2.6",
        "versionType": "semver",
        "lessThanOrEqual": "7.2.*"
      },
      {
        "status": "unaffected",
        "version": "7.3",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "net/xfrm/xfrm_output.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2026-92489

Source reference: /cveMetadata/cveId

Publisher severity

critical

Source reference: /containers/cna/metrics

Event
#37721 · Revision 1
Added to Heist Feed
Publisher date
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